public async Task CanParseFieldRegex()
{
string query = @"myfield:/\(\[A-Za-z\]+\).*?/";
#if ENABLE_TRACING
var tracer = new LoggingTracer(_logger, reportPerformance: true);
#else
var tracer = NullTracer.Instance;
#endif
var parser = new LuceneQueryParser {
Tracer = tracer
};
try {
var result = await parser.ParseAsync(query);
_logger.LogInformation(await DebugQueryVisitor.RunAsync(result));
string generatedQuery = await GenerateQueryVisitor.RunAsync(result);
Assert.Equal(query, generatedQuery);
var groupNode = result as GroupNode;
Assert.NotNull(groupNode);
var leftNode = groupNode.Left as TermNode;
Assert.NotNull(leftNode);
Assert.Equal("myfield", leftNode.Field);
Assert.True(leftNode.IsRegexTerm);
} catch (FormatException ex) {
var cursor = ex.Data["cursor"] as Cursor;
throw new FormatException($"[{cursor.Line}:{cursor.Column}] {ex.Message}", ex);
}
}
public async Task CanParseEscapedQuery(string escaped)
{
// https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-query-string-query.html#_reserved_characters
// + - && || ! ( ) { } [ ] ^ " ~ * ? : \ /
string query = @"\" + escaped;
#if ENABLE_TRACING
var tracer = new LoggingTracer(_logger, reportPerformance: true);
#else
var tracer = NullTracer.Instance;
#endif
var parser = new LuceneQueryParser {
Tracer = tracer
};
try {
_logger.LogInformation($"Attempting: {escaped}");
var result = await parser.ParseAsync(query);
_logger.LogInformation(await DebugQueryVisitor.RunAsync(result));
string generatedQuery = await GenerateQueryVisitor.RunAsync(result);
Assert.Equal(query, generatedQuery);
} catch (FormatException ex) {
var cursor = ex.Data["cursor"] as Cursor;
throw new FormatException($"[{cursor.Line}:{cursor.Column}] {ex.Message}", ex);
}
}
public async Task CanUseForwardSlashes()
{
string query = @"hey/now";
#if ENABLE_TRACING
var tracer = new LoggingTracer(_logger, reportPerformance: true);
#else
var tracer = NullTracer.Instance;
#endif
var parser = new LuceneQueryParser {
Tracer = tracer
};
try {
var result = await parser.ParseAsync(query);
_logger.LogInformation(await DebugQueryVisitor.RunAsync(result));
string generatedQuery = await GenerateQueryVisitor.RunAsync(result);
Assert.Equal(query, generatedQuery);
} catch (FormatException ex) {
_logger.LogInformation(tracer.ToString());
var cursor = ex.Data["cursor"] as Cursor;
throw new FormatException($"[{cursor.Line}:{cursor.Column}] {ex.Message}", ex);
}
}
private async Task ParseAndValidateQuery(string query, string expected, bool isValid)
{
#if ENABLE_TRACING
var tracer = new LoggingTracer(_logger, reportPerformance: true);
#else
var tracer = NullTracer.Instance;
#endif
var parser = new LuceneQueryParser {
Tracer = tracer
};
IQueryNode result;
try {
result = await parser.ParseAsync(query);
} catch (FormatException ex) {
Assert.False(isValid, ex.Message);
return;
}
string nodes = await DebugQueryVisitor.RunAsync(result);
_logger.LogInformation(nodes);
string generatedQuery = await GenerateQueryVisitor.RunAsync(result);
Assert.Equal(expected, generatedQuery);
}